Multiple choice

Write the next two terms in the series given below. 53, 55, 51, 57, 49, 59, 47, ____

  1. 45, 61

  2. 61, 45

  3. 63, 43

  4. 43, 63
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B Correct answer
Explanation

The series alternates between two patterns: 53, 51, 49, 47 (subtracting 2) and 55, 57, 59 (adding 2). The next term in the first sequence is 47-2=45, and the next in the second is 59+2=61.

AI explanation

This question features two interleaved sequences within the numbers. The first sequence begins at 53 and subtracts 2 each time, yielding 51, 49, and 47. The second sequence begins at 55 and adds 2 each time, yielding 57, 59, and the next term of 61, followed by 45 for the first sequence.

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